Super Duplex 2507 Characteristic
Super duplex 2507 pipes are a type of duplex stainless steel
pipe,These pipes are made from an alloy that contains both
austenitic and ferritic stainless steels, giving them exceptional
strength, resistance to corrosion, and high durability. Super
duplex 2507 pipes are particularly well-suited for use in harsh and
corrosive environments, making them a popular choice for offshore
drilling, petrochemical, and chemical processing applications.Super
duplex 2507 pipes contain approximately 25% chromium, 7% nickel,
and 4% molybdenum. This combination of metals produces a unique
microstructure that provides outstanding corrosion resistance.
Influence of elements on steel properties
1.The addition of molybdenum increases the pipe’s strength and
resistance to pitting and crevice corrosion,
2. while nickel enhances the pipe’s ductility and toughness. The
high levels of chromium provide excellent resistance to oxidizing
agents and corrosion caused by chlorides, making super duplex 2507
pipes an attractive option for use in saltwater and acidic
environments.
Advantages
1.2507 have a pipe exceptional strength. These pipes are designed
to withstand high levels of pressure and stress, making them ideal
for use in offshore drilling and chemical processing applications.
2. 2507 pipes have a high level of resistance to fatigue, making
them suitable for use in applications that require repetitive
cycling or high levels of stress.
3. It has a outstanding resistance to corrosion. The high levels of
chromium, molybdenum, and nickel give these pipes excellent
resistance to both general and localized corrosion, including
pitting and crevice corrosion. This makes super duplex 2507 pipes
an ideal choice for use in harsh and corrosive environments that
can quickly deteriorate standard pipes.
4. It has a highly versatile and can be easily customized to meet
specific application needs. They are available in a wide range of
sizes, grades, and thicknesses, which can be configured according
to the needs of a particular project.
Usage
1.heat exchangers.
2.oil and gas industry equipment
3.offshore platforms.
4.chemical process industries,vessels,and piping.
5. Mechanial and structural components,high
strength,corrosion-resistant parts.
2507 stainless pipe Chemical Composition
| 2507 | Content |
| C | 0.03max |
| Mn | 1.2max |
| P | 0.035max |
| S | 0.015max |
| Si | 0.8max |
| Cr | 24.0-26.0 |
| Ni | 6.0-8.0 |
| Mo | 3.0-5.0 |
| N | 0.24-0.35 |
| Cu | 0.5max |
Physical Properties
| Density | lb/in^3 | 0.28 |
| Modulus of Elasticity | psi x 10^6 | 29 |
Coefficient of Thermal Expansion
68-212°F/°F | x10^-6/°F | 7.2 |
|
| Thermal Conductivity | Btu/h ft °F | 8.7 |
| Heat Capacity | Btu/lb/°F | 0.12 |
| Electrical Resistivity | W-in x 10^-6 | 31.5 |
Product Testing
Coating Thk Test
Geometry inspection
Ultrasonic Inspection
Nondestructive Testing
Hydrostatic Testing
Package Process
1.with plastic cap to protect both ends
2.weaving bag wrapped outside the pipe
3.then pack into wooden case.
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